| | Fryder, Iryna Gas condensate residual usage for oxidated bitumen production [Текст] / Iryna Fryder, Serhiy Pysh'yev, Oleh Grynyshyn // Chemistry & Chemical Technology / Lviv Polytechnic Nat. Univ. ; ed.-in-chief M. Bratychak. — Lviv : Publ. House of Lviv Polytechnic Nat. Univ., 2009. — P. 105-108. |
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